mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-22 23:26:40 -08:00
Added querying of bets and randomized roll
This commit is contained in:
Thomas Kwashnak
@@ -1,69 +1,165 @@
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import java.io.InputStream;
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import java.io.PrintStream;
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import java.util.*;
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public class Roulette {
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private PrintStream out;
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private Scanner scanner;
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public static void main(String[] args) {
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new Roulette(System.out).play();
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private int houseBalance, playerBalance;
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private Random random;
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private static Set<Integer> RED_NUMBERS;
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static {
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RED_NUMBERS = Set.of(1, 3, 5, 7, 9, 12, 14, 16, 18, 19, 21, 23, 25, 27, 30, 32, 34, 36);
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}
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public Roulette(PrintStream out) {
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public static void main(String[] args) {
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new Roulette(System.out, System.in).play();
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}
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public Roulette(PrintStream out, InputStream in) {
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this.out = out;
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this.scanner = new Scanner(in);
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houseBalance = 100000;
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playerBalance = 1000;
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random = new Random();
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}
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public void play() {
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printInstructions();
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out.println(" ROULETTE");
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out.println(" CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
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out.println("WELCOME TO THE ROULETTE TABLE\n");
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out.println("DO YOU WANT INSTRUCTIONS");
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if(scanner.nextLine().toLowerCase().charAt(0) != 'n') {
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printInstructions();
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}
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while(houseBalance > 0 && playerBalance > 0) {
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Bet[] bets = queryBets();
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out.println("SPINNING...\n\n\n");
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int result = random.nextInt(1,39);
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/*
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Equivalent to following line
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if(RED_NUMBERS.contains(result)) {
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out.println(result + " RED");
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} else {
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out.println(result + " BLACK");
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}
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*/
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out.println(result + (RED_NUMBERS.contains(result) ? " RED\n" : " BLACK\n"));
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}
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}
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private Bet[] queryBets() {
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int numBets = -1;
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while(numBets < 1) {
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out.println("HOW MANY BETS");
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try {
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numBets = Integer.parseInt(scanner.nextLine());
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} catch(NumberFormatException exception) {
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out.println("THAT IS NOT A NUMBER");
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}
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}
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Bet[] bets = new Bet[numBets];
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for(int i = 0; i < numBets; i++) {
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try {
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out.println("BET NUMBER " + (i + 1) + ":");
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String[] values = scanner.nextLine().split(",");
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int betNumber = Integer.parseInt(values[0]);
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int betValue = Integer.parseInt(values[1]);
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for(int j = 0; j < i; j++) {
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if(bets[j].number == betNumber) {
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out.println("YOU MADE THAT BET ONCE ALREADY,DUM-DUM");
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throw new Exception();
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}
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}
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if(betNumber < 1 || betNumber > 50 || betValue < 5 || betValue > 500) {
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out.println("INVALID VALUE, TRY AGAIN");
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i--;
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continue;
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}
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bets[i] = new Bet(betNumber,betValue);
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} catch(Exception exception) {
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if(exception instanceof NumberFormatException) {
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out.println("SYNTAX ERROR, TRY AGAIN");
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}
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i--;
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}
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}
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return bets;
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}
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public void printInstructions() {
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System.out.println();
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System.out.println( "THIS IS THE BETTING LAYOUT");
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System.out.println( " (*=RED)");
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System.out.println();
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System.out.println( " 1* 2 3*");
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System.out.println( " 4 5* 6 ");
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System.out.println( " 7* 8 9*");
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System.out.println( "10 11 12*");
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System.out.println( "---------------");
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System.out.println( "13 14* 15 ");
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System.out.println( "16* 17 18*");
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System.out.println( "19* 20 21*");
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System.out.println( "22 23* 24 ");
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System.out.println( "---------------");
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System.out.println( "25* 26 27*");
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System.out.println( "28 29 30*");
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System.out.println( "31 32* 33 ");
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System.out.println( "34* 35 36*");
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System.out.println( "---------------");
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System.out.println( " 00 0 ");
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System.out.println();
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System.out.println( "TYPES OF BETS");
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System.out.println();
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System.out.println( "THE NUMBERS 1 TO 36 SIGNIFY A STRAIGHT BET");
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System.out.println( "ON THAT NUMBER.");
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System.out.println( "THESE PAY OFF 35:1");
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System.out.println();
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System.out.println( "THE 2:1 BETS ARE:");
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System.out.println( " 37) 1-12 40) FIRST COLUMN");
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System.out.println( " 38) 13-24 41) SECOND COLUMN");
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System.out.println( " 39) 25-36 42) THIRD COLUMN");
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System.out.println();
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System.out.println( "THE EVEN MONEY BETS ARE:");
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System.out.println( " 43) 1-18 46) ODD");
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System.out.println( " 44) 19-36 47) RED");
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System.out.println( " 45) EVEN 48) BLACK");
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System.out.println();
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System.out.println( " 49)0 AND 50)00 PAY OFF 35:1");
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System.out.println( " NOTE: 0 AND 00 DO NOT COUNT UNDER ANY");
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System.out.println( " BETS EXCEPT THEIR OWN.");
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System.out.println();
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System.out.println( "WHEN I ASK FOR EACH BET, TYPE THE NUMBER");
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System.out.println( "AND THE AMOUNT, SEPARATED BY A COMMA.");
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System.out.println( "FOR EXAMPLE: TO BET $500 ON BLACK, TYPE 48,500");
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System.out.println( "WHEN I ASK FOR A BET.");
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System.out.println();
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System.out.println( "THE MINIMUM BET IS $5, THE MAXIMUM IS $500.");
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out.println();
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out.println( "THIS IS THE BETTING LAYOUT");
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out.println( " (*=RED)");
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out.println();
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out.println( " 1* 2 3*");
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out.println( " 4 5* 6 ");
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out.println( " 7* 8 9*");
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out.println( "10 11 12*");
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out.println( "---------------");
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out.println( "13 14* 15 ");
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out.println( "16* 17 18*");
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out.println( "19* 20 21*");
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out.println( "22 23* 24 ");
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out.println( "---------------");
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out.println( "25* 26 27*");
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out.println( "28 29 30*");
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out.println( "31 32* 33 ");
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out.println( "34* 35 36*");
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out.println( "---------------");
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out.println( " 00 0 ");
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out.println();
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out.println( "TYPES OF BETS");
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out.println();
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out.println( "THE NUMBERS 1 TO 36 SIGNIFY A STRAIGHT BET");
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out.println( "ON THAT NUMBER.");
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out.println( "THESE PAY OFF 35:1");
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out.println();
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out.println( "THE 2:1 BETS ARE:");
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out.println( " 37) 1-12 40) FIRST COLUMN");
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out.println( " 38) 13-24 41) SECOND COLUMN");
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out.println( " 39) 25-36 42) THIRD COLUMN");
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out.println();
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out.println( "THE EVEN MONEY BETS ARE:");
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out.println( " 43) 1-18 46) ODD");
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out.println( " 44) 19-36 47) RED");
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out.println( " 45) EVEN 48) BLACK");
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out.println();
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out.println( " 49)0 AND 50)00 PAY OFF 35:1");
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out.println( " NOTE: 0 AND 00 DO NOT COUNT UNDER ANY");
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out.println( " BETS EXCEPT THEIR OWN.");
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out.println();
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out.println( "WHEN I ASK FOR EACH BET, TYPE THE NUMBER");
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out.println( "AND THE AMOUNT, SEPARATED BY A COMMA.");
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out.println( "FOR EXAMPLE: TO BET $500 ON BLACK, TYPE 48,500");
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out.println( "WHEN I ASK FOR A BET.");
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out.println();
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out.println( "THE MINIMUM BET IS $5, THE MAXIMUM IS $500.");
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}
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public class Bet {
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final int number, value;
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public Bet(int number, int value) {
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this.number = number;
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this.value = value;
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}
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}
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}
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